Trait
Abnormal total T cell number
Abnormal increase or decrease of absolute number (either count per volume or proportion of total lymphocytes) of T cells or of a subset of T cells, commonly characterized as CD3+ lymphocytes, in the blood, compared to a reference range for a given sex and age-group. These may include both TCR alpha/beta and gamma/delta T cells.
Summary
- Also called
- Abnormal number of T cells, Abnormal T cell count, Abnormality of T cell number
Reference genomeGRCh38hg38
Positions on gene and variant pages follow this choice, in this browser.
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Get my Genome Test2 genes linked to Abnormal total T cell number
Changes in these genes cause rare conditions in which Abnormal total T cell number is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.
How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.
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Where this comes from
- The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
- Data release 2026.10.16-c6eea6bf.
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